11771901701686 has 16 divisors (see below), whose sum is σ = 20561165237664. Its totient is φ = 4949910149184.

The previous prime is 11771901701653. The next prime is 11771901701699. The reversal of 11771901701686 is 68610710917711.

11771901701686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7932547575 + ... + 7932549058.

It is an arithmetic number, because the mean of its divisors is an integer number (1285072827354).

Almost surely, 2^{11771901701686} is an apocalyptic number.

11771901701686 is a deficient number, since it is larger than the sum of its proper divisors (8789263535978).

11771901701686 is a wasteful number, since it uses less digits than its factorization.

11771901701686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15865096695.

The product of its (nonzero) digits is 889056, while the sum is 55.

The spelling of 11771901701686 in words is "eleven trillion, seven hundred seventy-one billion, nine hundred one million, seven hundred one thousand, six hundred eighty-six".